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refactor(lang): rename the fn keyword to function

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Expand the function-declaration keyword to the full word across the whole
language and toolchain:
  fn name(...) -> T { ... }   ->   function name(...) -> T { ... }

Done as a self-hosting migration: teach the parser both spellings, reseed,
rewrite every .ludic definition to `function`, then drop `fn`. The compiler
now rejects `fn`. Touches the parser, all selfhost/tools/runtime/example/test
sources, the grammars (TextMate shared+vscode, ludic_syntax.h, JetBrains
LudicTokens.kt), the LSP and formatter, the Python doc/vocab tools
(check-impl, check-docs, validate, palette, test-lsp), and the docs
(fences, prose, kw-fn -> kw-function).

Reseeded; C-free bootstrap fixpoint holds. All suites green (45 regression,
24 self-host, 29 tool); the docs site generates and check.py passes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-08-30 01:43:22 +03:00
parent 2f19c8d8e2
commit 4c48077d68
86 changed files with 793 additions and 793 deletions
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6
tools/x/selfhost_test.ludic
View file

@ -3,7 +3,7 @@
# fixpoint). Replaces selfhost/test.sh.
# compile selfhost/tests/<name>.ludic with bin/ludicc, assemble, run, compare
fn sh_case(name: ptr, exp: ptr) -> void {
function sh_case(name: ptr, exp: ptr) -> void {
let ll = `/tmp/x_sh_{name}.ll`
let er = `/tmp/x_sh_{name}.err`
let bn = `/tmp/x_sh_{name}`
@ -16,14 +16,14 @@ fn sh_case(name: ptr, exp: ptr) -> void {
}
# compile examples/<name>.ludic as a game and diff its render against the golden
fn game_case(name: ptr, keys: ptr) -> void {
function game_case(name: ptr, keys: ptr) -> void {
if not game_build_ok("bin/ludicc", `examples/{name}.ludic`, `/tmp/x_g_{name}`) { bad(`{name}: build`); return }
run(`printf '%s' '{keys}' | /tmp/x_g_{name} >/dev/null 2>&1`)
if shq(`cmp -s selfhost/golden/{name}.ppm out.ppm`) { ok(`{name} matches the golden render`) }
else { bad(`{name}: differs from golden`) }
}
fn cmd_selfhost_test() -> int {
function cmd_selfhost_test() -> int {
PASS = 0
FAIL = 0